package com.itheima.dao;

public class HelloWorld {

	public static void main(String[] args) {
		System.out.println("111");
		System.out.println("222");
		System.out.println("333");
		System.out.println("444");
		
		Integer number = getNumber();
		System.out.println(number);
		
	}
	
	public static Integer getNumber() {
		return 10;
	}
	
}
